Fix typo

Unset the env var before func return in Unit Test

Signed-off-by: Kay Yan <kay.yan@daocloud.io>
(cherry picked from commit 141f2dd501)

cmd/helm/repo_add.go

@@ -177,7 +177,7 @@ func (o *repoAddOptions) run(out io.Writer) error {
 		InsecureSkipTLSverify: o.insecureSkipTLSverify,
 	}
 
-	// Check If the repo name is legal
+	// Check if the repo name is legal
 	if strings.Contains(o.name, "/") {
 		return errors.Errorf("repository name (%s) contains '/', please specify a different name without '/'", o.name)
 	}

cmd/helm/repo_add_test.go

@@ -137,6 +137,8 @@ func TestRepoAddCheckLegalName(t *testing.T) {
 		t.Fatal(err)
 	}
 	defer ts.Stop()
+	defer resetEnv()()
+
 	const testRepoName = "test-hub/test-name"
 
 	rootDir := ensure.TempDir(t)